| 2024 | Sciencecounts Inc | 990EZ | Vice Chair | 2 | $0 | $0 | View return |
| 2024 | Cleantech San Diego Association | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2023 | Sciencecounts Inc | 990EZ | Vice Chair | 1 | $0 | - | View return |
| 2023 | Cecil H & Ida M Green Foundation for Earth Sciences | 990 | Ex Officio | 1 | $0 | $0 | View return |
| 2023 | California Ocean Science Trust | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | Cleantech San Diego Association | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2023 | The National Council for Science and the Environment | 990 | Director (Thru Dec) | 0.5 | $0 | $0 | View return |
| 2022 | Sciencecounts Inc | 990EZ | Director | 1 | $0 | $0 | View return |
| 2022 | Cecil H & Ida M Green Foundation for Earth Sciences | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | California Ocean Science Trust | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Cleantech San Diego Association | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2022 | The National Council for Science and the Environment | 990 | Director | 0.5 | $0 | $0 | View return |
| 2021 | Cleantech San Diego Association | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2021 | Sciencecounts Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Cecil H & Ida M Green Foundation for Earth Sciences | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | The National Council for Science and the Environment | 990 | Director | 0.5 | $0 | $0 | View return |
| 2021 | California Ocean Science Trust | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Sciencecounts Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Cleantech San Diego Association | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2020 | California Ocean Science Trust | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | The National Council for Science and the Environment | 990 | Director | 0.5 | $0 | $0 | View return |
| 2019 | Cleantech San Diego Association | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2019 | Sciencecounts Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Cecil H & Ida M Green Foundation for Earth Sciences | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | The National Council for Science and the Environment | 990 | Director | 0.5 | $0 | $0 | View return |
| 2019 | California Ocean Science Trust | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | American Geophysical Union | 990 | Immediate Past President | 5 | $0 | $0 | View return |
| 2018 | Cecil H & Ida M Green Foundation for Earth Sciences | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Sciencecounts Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Cleantech San Diego Association | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2018 | The National Council for Science and the Environment | 990 | Director | 0.5 | $0 | $0 | View return |
| 2018 | California Ocean Science Trust | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Cleantech San Diego Association | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2017 | The National Council for Science and the Environment | 990 | Director | 0.5 | $0 | $0 | View return |
| 2017 | American Geophysical Union | 990 | Immediate Past President | 5 | $0 | $0 | View return |
| 2017 | California Ocean Science Trust | 990 | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2016 | Cleantech San Diego Association | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2016 | American Geophysical Union | 990 | President | 8 | $0 | $0 | View return |
| 2016 | The National Council for Science and the Environment | 990 | Director | 0.5 | $0 | $0 | View return |
| 2016 | California Ocean Science Trust | 990 | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2015 | American Geophysical Union | 990 | President | 8 | $0 | $0 | View return |
| 2015 | The National Council for Science and the Environment | 990 | Director | 0.5 | $0 | $0 | View return |
| 2015 | California Ocean Science Trust | 990 | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2014 | American Geophysical Union | 990 | President-Elect | 5 | $0 | $0 | View return |
| 2014 | The National Council for Science and the Environment | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | The National Council for Science and the Environment | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | American Geophysical Union | 990 | President-Elect | 5 | $0 | $0 | View return |